diff --git a/sdk/xtdk/xtuefi.h b/sdk/xtdk/xtuefi.h
index a074c9d..2e18eca 100644
--- a/sdk/xtdk/xtuefi.h
+++ b/sdk/xtdk/xtuefi.h
@@ -282,7 +282,7 @@ typedef EFI_STATUS (*PEFI_SET_MEM)(IN OUT PVOID Buffer, IN UINT_PTR Size, IN UIN
 typedef EFI_STATUS (*PEFI_INPUT_RESET)(IN PEFI_SIMPLE_TEXT_INPUT_PROTOCOL This, IN BOOLEAN ExtendedVerification);
 typedef EFI_STATUS (*PEFI_INPUT_READ_KEY)(IN PEFI_SIMPLE_TEXT_INPUT_PROTOCOL This, OUT PEFI_INPUT_KEY Key);
 typedef EFI_STATUS (*PEFI_TEXT_RESET)(IN PEFI_SIMPLE_TEXT_OUTPUT_PROTOCOL This, IN BOOLEAN ExtendedVerification);
-typedef EFI_STATUS (*PEFI_TEXT_STRING)(IN PEFI_SIMPLE_TEXT_OUTPUT_PROTOCOL This, IN PUINT16 String);
+typedef EFI_STATUS (*PEFI_TEXT_OUTPUT_STRING)(IN PEFI_SIMPLE_TEXT_OUTPUT_PROTOCOL This, IN PUINT16 String);
 typedef EFI_STATUS (*PEFI_TEXT_TEST_STRING)(IN PEFI_SIMPLE_TEXT_OUTPUT_PROTOCOL This, IN PUINT16 String);
 typedef EFI_STATUS (*PEFI_TEXT_QUERY_MODE)(IN PEFI_SIMPLE_TEXT_OUTPUT_PROTOCOL This, IN UINT_PTR ModeNumber, OUT PUINT_PTR Columns, OUT PUINT_PTR Rows);
 typedef EFI_STATUS (*PEFI_TEXT_SET_MODE)(IN PEFI_SIMPLE_TEXT_OUTPUT_PROTOCOL This, IN UINT_PTR ModeNumber);
@@ -345,6 +345,17 @@ typedef struct _EFI_CAPSULE_HEADER
     UINT32 CapsuleImageSize;
 } EFI_CAPSULE_HEADER, *PEFI_CAPSULE_HEADER;
 
+/* EFI Capsule Block Descriptor */
+typedef struct _EFI_CAPSULE_BLOCK_DESCRIPTOR
+{
+    UINT64 Length;
+    union
+    {
+        EFI_PHYSICAL_ADDRESS DataBlock;
+        EFI_PHYSICAL_ADDRESS ContinuationPointer;
+    } Union;
+} EFI_CAPSULE_BLOCK_DESCRIPTOR, *PEFI_CAPSULE_BLOCK_DESCRIPTOR;
+
 /* Definition of an EFI memory descriptor */
 typedef struct _EFI_MEMORY_DESCRIPTOR
 {
@@ -488,7 +499,7 @@ typedef struct _EFI_SIMPLE_TEXT_INPUT_PROTOCOL
 typedef struct _EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
 {
     PEFI_TEXT_RESET Reset;
-    PEFI_TEXT_STRING OutputString;
+    PEFI_TEXT_OUTPUT_STRING OutputString;
     PEFI_TEXT_TEST_STRING TestString;
     PEFI_TEXT_QUERY_MODE QueryMode;
     PEFI_TEXT_SET_MODE SetMode;
@@ -1043,4 +1054,15 @@ typedef struct _EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
     UINT32 SegmentNumber;
 } EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL, *PEFI_PCI_ROOT_BRIDGE_IO_PROTOCOL;
 
+
+
+
+
+
+
+
+
+
+
+
 #endif /* __XTDK_XTUEFI_H */